$(function() {
    if (window.history && window.history.pushState)
    {	　　$(window).on('popstate', function () {
        window.history.pushState('forward', null, '#');
        window.history.forward(1);
    });
    }
    window.history.pushState('forward', null, '#'); //在IE中必须得有这两行	　　
    window.history.forward(1);	　
})